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Mapping of distributed resource block indices to physical resource blocks

a distributed resource block and resource block technology, applied in the field of mapping distributed resource block indices to physical resource blocks, can solve the problems of unfavorable distributed transmission processing, unfavorable end user devices, and limited flexibility

Active Publication Date: 2009-07-09
APPLE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0011]The present invention advantageously provides a method, apparatus and system for mapping data packets for a distributed transmission arrangement in a

Problems solved by technology

The compact method can only allocate consecutive VRB indices, and thus has limited flexibility.
However, for a distributed transmission, the end user devices do not care where the data is located, as long as it scattered across the channel.
This requirement adds additional, unnecessary overhead to processing the distributed transmissions.
However, this practice only works when multiple RBs are assigned to a single device or User Equipment (“UE”).
The above methods cannot provide sufficient diversity to small packet sizes.
Additionally, the overhead required to schedule individual RB across the band is higher than assigning contiguous resources.

Method used

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  • Mapping of distributed resource block indices to physical resource blocks
  • Mapping of distributed resource block indices to physical resource blocks
  • Mapping of distributed resource block indices to physical resource blocks

Examples

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Embodiment Construction

[0024]Before describing in detail exemplary embodiments that are in accordance with the present invention, it is noted that the embodiments reside primarily in combinations of apparatus components and processing steps related to implementing a system and method for diversity virtual resource block (“VRB”) mapping between distributed resource block indices and physical resource blocks. Accordingly, the system and method components have been represented where appropriate by conventional symbols in the drawings, showing only those specific details that are pertinent to understanding the embodiments of the present invention so as not to obscure the disclosure with details that will be readily apparent to those of ordinary skill in the art having the benefit of the description herein.

[0025]As used herein, relational terms, such as “first” and “second,”“top” and “bottom,” and the like, may be used solely to distinguish one entity or element from another entity or element without necessari...

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Abstract

An apparatus for communication using a wireless communication network includes an interleaver and a transceiver. The interleaver co-exists with a localized transmission arrangement if the localized transmission arrangement is present and interleaves data packets for a distributed transmission arrangement by mapping a set of logical indices to a set of physical resource blocks. The set of logical indices include sequential logical indices that are separated by a maximum spacing within the set. The transceiver is in electrical communication with the interleaver. The transceiver is operable to transmit and receive data packets through the wireless communication network.

Description

CROSS-REFERENCE TO RELATED APPLICATION[0001]This application is related to and claims priority to U.S. Provisional Application Ser. No. 61 / 019,976, filed Jan. 9, 2008, entitled MAPPING OF DISTRIBUTED RESOURCE BLOCK INDICES TO PHYSICAL RESOURCE BLOCKS, the entirety of which is incorporated herein by reference.STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT[0002]n / aFIELD OF THE INVENTION[0003]The present invention relates generally to a method and system for wireless communication network resource block allocation and more specifically to a method and system for mapping between distributed resource block indices and physical resource blocks within a wireless communication network.BACKGROUND OF THE INVENTION[0004]Long-Term Evolution (“LTE”) is an effort to develop advanced wireless mobile radio technology that aims to succeed current Third Generation (“3G”) telecommunication standards and technology for mobile networking, including but not limited to Wideband Code Divis...

Claims

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Application Information

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IPC IPC(8): H04W72/04
CPCH04L5/00H04W72/0406H04L5/0007H04L5/0041H04L5/0044H03M13/271H04L1/0071H04W72/20H04L27/26H04W72/00H04W72/04
Inventor CALLARD, AARON JAMESMA, JIANGLEIPARANCHYCH, DAVID WALTER
Owner APPLE INC